Among the biggest percentage decliners were JPMorgan Chase(JPM) , Home Depot(HD) and Caterpillar(CAT) .

Shares of JPMorgan dropped 2.72% to $35.09, giving back some ground after a 5%-plus surge on Friday after a better-than-expected earnings report. On Monday, fellow money center bank Citigroup(C) reported second-quarter earnings that beat estimates as well.

JPMorgan's stock has risen 5.53% year to date.

Home Depot shares fell 1.27% to $51.43. The stock has risen 22.34% year to date.

Shares of Caterpillar fell 1.12% to $81.15. Caterpillar's stock has fallen 10.43% year to date.

The biggest gainers within the Dow were Pfizer(PFE) and American Express(AXP) .

Shares of Pfizer rose 1.32% to $23.11. The stock has risen 6.75% year to date.

American Express shares gained 1.19% to $58.62. The stock has risen 24.27% year to date.